High Temperature Refractory Fireproof Insulation Thermal High Alumina Brick Low Iron Content HA75 HA80
Insulation Thermal High Alumina Brick Low Iron Content HA75 HA80
The most competitive price,good quality,safty packing,prompt delivery time,and excellent after-sales services.
Lower ferric Oxide,lower porosity,higher refractoriness,higher density,higher CCS and exact tolerance.
Specifications:
Ordinary High alumina brick
|
Item |
HA60 |
HA70 |
HA75 |
HA80 |
|
AL2O3(%) |
≥60 |
≥70 |
≥75 |
≥75-80 |
|
SIO2(%) |
32 |
22 |
20 |
≥18 |
|
Fe2O3(%) |
≤1.8 |
≤1.8 |
≤1.8 |
≤1.8 |
|
Refractoriness °C |
1790 |
＞1800 |
＞1825 |
≥1850 |
|
Bulk density,g/cm3 |
2.4 |
2.45-2.5 |
2.5 |
2.55-2.6 |
|
Softening temperature under load |
≥1470 |
≥1520 |
≥1530 |
≥1550 |
|
Apparent porosity,% |
22 |
＜21 |
＜21 |
＜20 |
|
Cold Crushing strength Mpa |
≥45 |
≥50 |
≥54 |
≥60 |
Phosphate bonded high alumina bricks
|
Item |
LAP75 |
LAP77 |
LAP85 |
|
AL2O3 % |
≥75 |
≥77 |
≥80-85 |
|
Fe2O3 % |
≤3.0 |
≤3.0 |
≤1.8 |
|
Ca0 % |
≤0.6 |
≤0.6 |
≤0.6 |
|
Refractoriness °C |
≥1800 |
≥1800 |
≥1850 |
|
Bulk density g/cm3 |
≥2.65 |
≥2.70 |
≥2.80 |
|
Cold crushing strength MPa |
≥60 |
≥64 |
≥110 |
|
Refractoriness under load 0.2MPa °C |
≥1350 |
≥1300 |
≥1350 |
|
Application |
Used for high temperature parts lining of cement rotary kiln |
Used for Badly worn parts of cement rotary kiln |
|
Description:
Laurel high alumina bricks are produced with selected bauxite chamotte by advanced process and strict quality control. The main mineral components are corundum and mullite phases. It features excellent high temperature mechanics and chemical corrosion resistance.
Features
1.Resisting high temperature
2.Great bulk density
3.Low iron content
4.Good eroding resistance
Applications:
1. Steel furnaces
2. Iron making furnaces
3. Glass kiln
4. Ceramic tunnel kiln
5. Cement kiln
Competitive Advantage:
- Competitive Price. Make the products competitive in your market.
- Abundant Experience. Prevent cracks and twist in bricks.
- Different Moulds. Save mould fees for you.
- Strict Quality Control. Meet clients’ quality requirement.
- Large stocks. Guarantee prompt delivery.
- Professional Packing. Avoid damage and secure the goods in
Get in Touch
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